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JIPMER Jipmer Medical Solved Paper-1997

  • question_answer
    An electric motor exerts a force of 40 N on a cable and pulls it by a distance of 30 m in one minute. The power supplies by the t  motor will be:

    A)  20 watt    

    B)                         200 watt             

    C)         2 watt                 

    D)         10 watt

    Correct Answer: A

    Solution :

    Work done = Force \[\times \] Distance \[=40\times 30=1200\,J\] Using the formula for power \[P=\frac{\text{work}\,\text{done}}{\text{time}}=\frac{1200}{60}=20\,\,\text{watt}\]


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